Three most important points for watch maintenance:period Anti-scratch luxury watch film Many adjustments have also been made, and the direction of product research and development has been reversed, in order to better meet the market demand. https://finewatchcare.com/
The most important first point: accuracy
Accuracy is the three most important points for watch maintenance: first, of course, accuracy. The average standard should be within plus or minus ten seconds, preferably within plus five seconds.